I would recommend that you remove the choke plates...install a primer to help the carbs breath better and go up to 2 turns open on top and slowly move them in to get your peak RPM then drop them back 1/4 turn for extra safey. Trust me when I say get a good tach when turnning though my friend. You need something that updates every second

I would start again with 2 and work your way back in. The stock specs could vary from machine to machine hence no real "stock" setting is posted in manuals. The porting "casting" is different on EVERY engine. Yours may want 1 1/4 where mine may want 2 ...just depends on quality control and or how everything flows. NO tunning should be done without a tach....you will stick a piston. Did you remove the choke plates?

NP....again...you can't go wrong with them at 2 turns...it just will be rich and won't hit top speed. Start there so you know your safe and then work backwards. Try to get a good tach from a comm tiny tach or even better is a Pet 2100Dx...but depending on what you do and or how much mods you want to do...the 2nd is a bit pricy for a limited use. I bet someone lives close by you that may have a tach you can borrow for 15 minutes to trim in the needles